438         Perl_re_printf( aTHX_  "Using engine %" UVxf "\n",  in Perl_pregcomp()
540     DEBUG_PARSE_r(Perl_re_printf( aTHX_  in S_pat_upgrade_to_utf8()
955             Perl_re_printf( aTHX_  in S_compile_runtime_code()
1494     DEBUG_PARSE_r(Perl_re_printf( aTHX_  in Perl_re_op_compile()
1522             DEBUG_PARSE_r(Perl_re_printf( aTHX_  in Perl_re_op_compile()
1551             Perl_re_printf( aTHX_  "%sCompiling REx%s %s\n",  in Perl_re_op_compile()
1588             Perl_re_printf( aTHX_  "%sSkipping recompilation of unchanged REx%s %s\n",  in Perl_re_op_compile()
1657         Perl_re_printf( aTHX_  in Perl_re_op_compile()
1774             DEBUG_PARSE_r(Perl_re_printf( aTHX_ "Need to redo parse after upgrade\n"));  in Perl_re_op_compile()
1777             DEBUG_PARSE_r(Perl_re_printf( aTHX_ "Need to redo parse\n"));  in Perl_re_op_compile()
1835         Perl_re_printf( aTHX_  in Perl_re_op_compile()
1847         Perl_re_printf( aTHX_ "Program before optimization:\n");  in Perl_re_op_compile()
1854         Perl_re_printf( aTHX_  "Starting post parse optimization\n");  in Perl_re_op_compile()
1894         DEBUG_OPTIMISE_r(Perl_re_printf( aTHX_ "Restudying\n"));  in Perl_re_op_compile()
2036                 Perl_re_printf( aTHX_  "first at %" IVdf "\n",  in Perl_re_op_compile()
2041             Perl_re_printf( aTHX_  "first at %" IVdf "\n",  in Perl_re_op_compile()
2164                       Perl_re_printf( aTHX_  in Perl_re_op_compile()
2202         DEBUG_PARSE_r(Perl_re_printf( aTHX_  "\nMulti Top Level\n"));  in Perl_re_op_compile()
2248                       Perl_re_printf( aTHX_  in Perl_re_op_compile()
2266         Perl_re_printf( aTHX_ "minlen: %" IVdf " RExC_rx->minlen:%" IVdf " maxlen:%" IVdf "\n",  in Perl_re_op_compile()
2406         Perl_re_printf( aTHX_ "study_chunk_recursed_count: %lu\n",  in Perl_re_op_compile()
2411         Perl_re_printf( aTHX_ "Final program:\n");  in Perl_re_op_compile()
2516         Perl_re_printf( aTHX_  "%s",                            \
2528         Perl_re_printf( aTHX_ "%16s","");                       \
2531        Perl_re_printf( aTHX_ "|%4zu", RExC_emit);                \
2533        Perl_re_printf( aTHX_ "|%4s","");                        \
2534     Perl_re_printf( aTHX_ "|%*s%-4s",                           \
2546     Perl_re_printf( aTHX_ "%4s","\n");                                  \
2550     Perl_re_printf( aTHX_ fmt "\n",args);                               \
3760                 DEBUG_OPTIMISE_MORE_r(Perl_re_printf( aTHX_  in S_reg()
4165                 DEBUG_OPTIMISE_MORE_r(Perl_re_printf( aTHX_  in S_reg()
4281                 DEBUG_OPTIMISE_MORE_r(Perl_re_printf( aTHX_  in S_reg()
4318                 DEBUG_OPTIMISE_MORE_r(Perl_re_printf( aTHX_  in S_reg()
4331 … Perl_re_printf( aTHX_  "~ tying lastbr %s (%" IVdf ") to ender %s (%" IVdf ") offset %" IVdf "\n",  in S_reg()
4395 …Perl_re_printf( aTHX_  "~ converting ret %s (%" IVdf ") to ender %s (%" IVdf ") offset %" IVdf "\n…  in S_reg()
12973             Perl_re_printf( aTHX_  "~ %s (%zu) %s %s\n",  in S_regtail()
13066             Perl_re_printf( aTHX_  "~ %s (%zu) -> %s\n",  in S_regtail_study()
13078         Perl_re_printf( aTHX_  in S_regtail_study()
13178                 Perl_re_printf( aTHX_  in Perl_re_intuit_string()
13428             Perl_re_printf( aTHX_ "%sFreeing REx:%s %s\n",  in Perl_regfree_internal()